When certain percentage of silicon is added to iron, the resistivity of the iron increase by a factor of 5. If a transformer core is made out of this iron, as compared to the previous value when silicon was not added, the eddy current loss will be:

When certain percentage of silicon is added to iron, the resistivity o

1.	When certain percentage of silicon is added to iron, the resistivity of the iron increase by a factor of 5. If a transformer core is made out of this iron, as compared to the previous value when silicon was not added, the eddy current loss will be:
A.	77%
B.	80%
C.	83%
D.	86%
Answer» C. 83%

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When certain percentage of silicon is added to iron, the resistivity of the iron increase by a factor of 5. If a transformer core is made out of this iron, as compared to the previous value when silicon was not added, the eddy current loss will be:

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